diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,6 +10,7 @@
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 
 option(BUILD_BITCOIN_WALLET "Activate the wallet functionality" ON)
+option(BUILD_BITCOIN_CHRONIK "Activate the Chronik indexer" OFF)
 option(BUILD_BITCOIN_ZMQ "Activate the ZeroMQ functionalities" ON)
 option(BUILD_BITCOIN_CLI "Build bitcoin-cli" ON)
 option(BUILD_BITCOIN_TX "Build bitcoin-tx" ON)
@@ -73,6 +74,7 @@
 include(NativeExecutable)
 native_add_cmake_flags(
 	"-DBUILD_BITCOIN_WALLET=OFF"
+	"-DBUILD_BITCOIN_CHRONIK=OFF"
 	"-DBUILD_BITCOIN_QT=OFF"
 	"-DBUILD_BITCOIN_ZMQ=OFF"
 	"-DENABLE_QRCODE=OFF"
@@ -679,6 +681,11 @@
 	target_sources(server PRIVATE dummywallet.cpp)
 endif()
 
+# Chronik indexer is in the rust folder
+if(BUILD_BITCOIN_CHRONIK)
+	add_subdirectory(rust)
+endif()
+
 # ZeroMQ
 if(BUILD_BITCOIN_ZMQ)
 	add_subdirectory(zmq)
diff --git a/src/rust/.gitignore b/src/rust/.gitignore
new file mode 100644
--- /dev/null
+++ b/src/rust/.gitignore
@@ -0,0 +1,2 @@
+# Ignore Rust artifacts in target folder
+/target
diff --git a/src/rust/CMakeLists.txt b/src/rust/CMakeLists.txt
new file mode 100644
--- /dev/null
+++ b/src/rust/CMakeLists.txt
@@ -0,0 +1,9 @@
+find_package(Corrosion 0.2.0 REQUIRED)
+
+add_custom_target(check-rust-test-suite
+COMMAND
+    Rust::Cargo
+    test
+WORKING_DIRECTORY
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
diff --git a/src/rust/Cargo.lock b/src/rust/Cargo.lock
new file mode 100644
--- /dev/null
+++ b/src/rust/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "bitcoinsuite-core"
+version = "0.1.0"
diff --git a/src/rust/Cargo.toml b/src/rust/Cargo.toml
new file mode 100644
--- /dev/null
+++ b/src/rust/Cargo.toml
@@ -0,0 +1,5 @@
+[workspace]
+
+members = [
+    "bitcoinsuite-core",
+]
diff --git a/src/rust/bitcoinsuite-core/Cargo.toml b/src/rust/bitcoinsuite-core/Cargo.toml
new file mode 100644
--- /dev/null
+++ b/src/rust/bitcoinsuite-core/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "bitcoinsuite-core"
+version = "0.1.0"
+edition = "2021"
+rust-version = "1.61.0"
+license = "MIT"
diff --git a/src/rust/bitcoinsuite-core/src/hash.rs b/src/rust/bitcoinsuite-core/src/hash.rs
new file mode 100644
--- /dev/null
+++ b/src/rust/bitcoinsuite-core/src/hash.rs
@@ -0,0 +1,20 @@
+// Copyright (c) 2022 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+//! Structs storing the results of cryptographic hash functions.
+
+/// Hash of the SHA-256 algorithm as defined by NIST.
+///
+/// Bitcoin usually uses the double-Sha256 (see [`Sha256d`]) for hashes,
+/// mostly block hashes, tx hashes and txids.
+#[derive(Debug)]
+pub struct Sha256([u8; 32]);
+
+/// SHA-256 algorithm applied twice (i.e. sha256(sha256(x))), see
+/// [`Sha256`].
+///
+/// This is the most commonly used hash in Bitcoin, most prominently for
+/// block hashes, tx hashes and txids.
+#[derive(Debug)]
+pub struct Sha256d([u8; 32]);
diff --git a/src/rust/bitcoinsuite-core/src/lib.rs b/src/rust/bitcoinsuite-core/src/lib.rs
new file mode 100644
--- /dev/null
+++ b/src/rust/bitcoinsuite-core/src/lib.rs
@@ -0,0 +1,35 @@
+// Copyright (c) 2022 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#![deny(unsafe_code)]
+#![warn(const_err,
+        dead_code,
+        elided_lifetimes_in_paths,
+        explicit_outlives_requirements,
+        improper_ctypes,
+        keyword_idents,
+        missing_debug_implementations,
+        missing_docs,
+        no_mangle_generic_items,
+        non_ascii_idents,
+        non_shorthand_field_patterns,
+        noop_method_call,
+        overflowing_literals,
+        path_statements,
+        patterns_in_fns_without_body,
+        private_in_public,
+        rust_2018_idioms,
+        single_use_lifetimes,
+        unconditional_recursion,
+        unreachable_pub,
+        unused_comparisons,
+        unused,
+        while_true)]
+
+//! Core primitives for dealing with Bitcoin-like chains.
+//!
+//! Note: This is a general purpose library, but has been optimized for the
+//! usage in Chronik, an indexer for Bitcoin ABC.
+
+pub mod hash;